/*	Mixins.less
	Snippets of reusable CSS to develop faster and keep code readable
 * ----------------------------------------------------------------- */

// Cubic Bezier 
.animation-timing-cubic-bezier() {
	
	-webkit-transition-timing-function: cubic-bezier(0.770, 0.000, 0.175, 1.000); 
	   -moz-transition-timing-function: cubic-bezier(0.770, 0.000, 0.175, 1.000); 
	     -o-transition-timing-function: cubic-bezier(0.770, 0.000, 0.175, 1.000); 
	        transition-timing-function: cubic-bezier(0.770, 0.000, 0.175, 1.000);
}

// Property Animation
.property-animation(@prop:height, @time:1000ms, @ease:cubic-bezier(0.770, 0.000, 0.175, 1.000)) {
	-webkit-transition+: @prop @time cubic-bezier(0.770, 0.000, 0.175, 1.000); 
	   -moz-transition+: @prop @time cubic-bezier(0.770, 0.000, 0.175, 1.000); 
	     -o-transition+: @prop @time cubic-bezier(0.770, 0.000, 0.175, 1.000); 
	        transition+: @prop @time cubic-bezier(0.770, 0.000, 0.175, 1.000);
}

// Opacity
.opacity(@opacity: 100) {
 	filter: e(%("alpha(opacity=%d)", @opacity));
 	-khtml-opacity: @opacity / 100;
 	  -moz-opacity: @opacity / 100;
 	       opacity: @opacity / 100;
}
// Background Opacity
.background-opacity(@opacity: 100) {
	/* Fallback for web browsers that doesn't support RGBa */
	background: rgb(0, 0, 0) transparent;
	/* RGBa with 0.6 opacity */
	background: rgba(0, 0, 0, @opacity / 100);
}

// Background Color Opacity
.background-color-opacity(@cr:0, @cg:0, @cb:0, @opacity: 100) {
	/* Fallback for web browsers that doesn't support RGBa */
	background: rgb(@cr, @cg, @cb) transparent;
	/* RGBa with 0.6 opacity */
	background: rgba(@cr, @cg, @cb, @opacity / 100);
}

// Slide Text Shadow
.slide-text-shadow(@shadow: 1px 1px 1px #000) {
	color: #FFF !important;
	text-shadow: @shadow !important;

}

// Border Radius
.border-radius(@radius: 5px) {
 	-webkit-border-radius: @radius;
 	   -moz-border-radius: @radius;
 	        border-radius: @radius;
}

// Single side border-radius
.border-top-radius(@radius) {
  border-top-right-radius: @radius;
   border-top-left-radius: @radius;
}
.border-right-radius(@radius) {
  border-bottom-right-radius: @radius;
     border-top-right-radius: @radius;
}
.border-bottom-radius(@radius) {
  border-bottom-right-radius: @radius;
   border-bottom-left-radius: @radius;
}
.border-left-radius(@radius) {
  border-bottom-left-radius: @radius;
     border-top-left-radius: @radius;
}

// Box Shadow
.box-shadow(@shadow: 1px 1px 7px rgba(0,0,0,.30)) {
	-webkit-box-shadow: @shadow;
	   -moz-box-shadow: @shadow;
	        box-shadow: @shadow;
}
// Transform
.transform(@transform) {
 	-webkit-transform: @transform;
 	   -moz-transform: @transform;
 	    -ms-transform: @transform;
 	     -o-transform: @transform;
 	        transform: @transform;
}
// Transitions
.transition(@transition) {
 	-webkit-transition: @transition;
 	   -moz-transition: @transition;
 	    -ms-transition: @transition;
 	     -o-transition: @transition;
 	        transition: @transition;
}
// Hyphens
.hyphens(@hyphens: auto) {
 	-webkit-hyphens:@hyphens;
 	   -moz-hyphens:@hyphens;
 	    -ms-hyphens:@hyphens;
 	        hyphens:@hyphens;
}
// User select
// For selecting text on the page
.user-select(@select) {
	-webkit-user-select: @select;
	   -moz-user-select: @select;
	    -ms-user-select: @select; // IE10+
	     -o-user-select: @select;
	        user-select: @select;
}
// Clear Fix
.clearfix() {
	*zoom: 1;
	&:before,
	&:after {
		display: table;
		content: "";
	}
	&:after {
		clear: both;
	}
}
.translucent-background(@color: @white, @alpha: 1) {
	background-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
}
// Add an alphatransparency value to any background or border color (via Elyse Holladay)
#translucent {
  .background(@color: @white, @alpha: 1) {
    background-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
  }
  .border(@color: @white, @alpha: 1) {
    border-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
    background-clip: padding-box;
  }
}
// Reset filters for IE
.reset-filter() {
	filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
}
// Center-align a block level element
.center-block() {
	display: block;
	margin-left: auto;
	margin-right: auto;
}
// Create Vertical Gradient
.gradient-vertical (@startColor: #555, @endColor: #333) {
  //background-color: @endColor;
  background-repeat: repeat-x;
  background-image: -khtml-gradient(linear, left top, left bottom, from(@startColor), to(@endColor)); // Konqueror
  background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
  background-image: -ms-linear-gradient(top, @startColor, @endColor); // IE10
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, @startColor), color-stop(100%, @endColor)); // Safari 4+, Chrome 2+
  background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
  background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
  background-image: linear-gradient(top, @startColor, @endColor); // The standard
  filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",@startColor,@endColor)); // IE9 and down
}

// GRADIENTS
// --------------------------------------------------

#gradient {

  // Horizontal gradient, from left to right
  //
  // Creates two color stops, start and end, by specifying a color and position for each color stop.
  // Color stops are not available in IE9 and below.
  .horizontal(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
    background-image: -webkit-linear-gradient(left, color-stop(@start-color @start-percent), color-stop(@end-color @end-percent)); // Safari 5.1-6, Chrome 10+
    background-image:  linear-gradient(to right, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
    background-repeat: repeat-x;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down
  }

  // Vertical gradient, from top to bottom
  //
  // Creates two color stops, start and end, by specifying a color and position for each color stop.
  // Color stops are not available in IE9 and below.
  .vertical(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
    background-image: -webkit-linear-gradient(top, @start-color @start-percent, @end-color @end-percent);  // Safari 5.1-6, Chrome 10+
    background-image: linear-gradient(to bottom, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
    background-repeat: repeat-x;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down
  }

  .directional(@start-color: #555; @end-color: #333; @deg: 45deg) {
    background-repeat: repeat-x;
    background-image: -webkit-linear-gradient(@deg, @start-color, @end-color); // Safari 5.1-6, Chrome 10+
    background-image: linear-gradient(@deg, @start-color, @end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
  }
  .horizontal-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
    background-image: -webkit-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);
    background-image: linear-gradient(to right, @start-color, @mid-color @color-stop, @end-color);
    background-repeat: no-repeat;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback
  }
  .vertical-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
    background-image: -webkit-linear-gradient(@start-color, @mid-color @color-stop, @end-color);
    background-image: linear-gradient(@start-color, @mid-color @color-stop, @end-color);
    background-repeat: no-repeat;
    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback
  }
  .radial(@inner-color: #555; @outer-color: #333) {
    background-image: -webkit-radial-gradient(circle, @inner-color, @outer-color);
    background-image: radial-gradient(circle, @inner-color, @outer-color);
    background-repeat: no-repeat;
  }
  .striped(@color: rgba(255,255,255,.15); @angle: 45deg) {
    background-image: -webkit-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
    background-image: linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
  }
}